Question

Which statement is true about alkali metals?

A. Some of them explode when exposed to water.
B. They aren't conductors of heat or electricity.
C. They're in group 18 of the periodic table.
D. They aren't very reactive​

Answer 1

Answer: answer is a . because they have enough heat is given off during exothermic reaction

Step-by-step explanation:

Answer 2

answer is a . because they have enough heat is given off during exothermic reaction